基本解釋方程[式]同根派生 equations相關(guān)詞英漢例句Dirac was unwilling to discard his equations.狄刺尅不願(yuàn)意拋棄他的方程。Some quadratic equations have no real roots.某些二次方程沒有實(shí)數(shù)根。equations更多例句